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Diamond Squid

Thysanoteuthis rhombus


This is a juvenile Diamond Squid - Thysanoteuthis rhombus as it is just around 8-10 cm in size. Adults can grow up to 1 meter in length and weighs up to 30 kg!


Seen on a black water dive at night over deep water, possibly up to 200 meters depth. These creatures are known to inhabit the deeper waters and goes shallower at night to hunt/feed.

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Spotted by

Batangas, Philippines

Lat: 13.74, Long: 120.87

Spotted on Oct 25, 2019
Submitted on Oct 30, 2019

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